/* =====================================================================
   Brenner Medical Management — Editorial design system
   Charcoal + warm amber, serif/sans pairing, generous whitespace
   ===================================================================== */

:root {
  --ink: #1a1d24;
  --ink-soft: #2c3038;
  --muted: #5a5e68;
  --muted-2: #8a8e98;
  --line: #e5e0d6;
  --line-soft: #efeae0;
  --canvas: #faf8f4;
  --paper: #ffffff;
  --amber: #b07a32;
  --amber-deep: #8e5f24;
  --amber-soft: #f4e8d4;

  --font-serif: "Cormorant Garamond", "Playfair Display", "EB Garamond", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --max: 1200px;
  --pad-x: clamp(20px, 5vw, 64px);

  --shadow-soft: 0 1px 2px rgba(26,29,36,0.04), 0 12px 32px -16px rgba(26,29,36,0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--canvas);
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 0.4em;
  line-height: 1.1;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 500; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.8rem); }
h3 { font-size: 1.4rem; font-weight: 600; letter-spacing: 0; }
h4 { font-size: 1.05rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--amber-deep); }

p { margin: 0 0 1em; color: var(--ink-soft); }
p.lead { font-size: 1.2rem; line-height: 1.55; color: var(--muted); max-width: 60ch; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-deep);
  font-weight: 600;
  margin-bottom: 1.2em;
}
.eyebrow::before { content: ""; display: inline-block; width: 28px; height: 1px; background: var(--amber-deep); vertical-align: middle; margin-right: 12px; transform: translateY(-2px); }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- Layout primitives ---------- */

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

section { padding: clamp(64px, 9vw, 120px) 0; }
section.tight { padding: clamp(48px, 6vw, 80px) 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 3vw, 40px); }

@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; }
.brand-mark img, .brand-mark svg { width: 100%; height: 100%; object-fit: contain; }
.brand-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--ink);
  letter-spacing: 0.02em;
  line-height: 1;
}
.brand-text small {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  color: var(--muted-2);
  text-transform: uppercase;
  margin-top: 4px;
}

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-size: 0.92rem;
  color: var(--ink-soft);
  position: relative;
  padding: 6px 0;
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--amber-deep); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--amber); }

.nav-cta {
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 999px;
  transition: all .15s ease;
}
.nav-cta:hover { background: var(--ink); color: var(--canvas); }

.nav-toggle { display: none; }

@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--canvas); border-bottom: 1px solid var(--line); padding: 8px 0; }
  .nav-links.open a { padding: 14px var(--pad-x); border-top: 1px solid var(--line-soft); }
  .nav-links.open .nav-cta { margin: 12px var(--pad-x); text-align: center; }
  .nav-toggle { display: inline-flex; background: transparent; border: 0; padding: 8px; cursor: pointer; }
  .nav-toggle svg { width: 22px; height: 22px; stroke: var(--ink); }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  font-size: 0.95rem; font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
  cursor: pointer;
}
.btn-primary { background: var(--ink); color: var(--canvas); }
.btn-primary:hover { background: var(--amber-deep); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--canvas); }
.btn-amber { background: var(--amber); color: var(--paper); }
.btn-amber:hover { background: var(--amber-deep); }
.btn .arrow { display: inline-block; transition: transform .2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Hero ---------- */

.hero {
  padding-top: clamp(72px, 10vw, 140px);
  padding-bottom: clamp(80px, 10vw, 140px);
}
.hero h1 { font-style: italic; font-weight: 400; }
.hero h1 .accent { font-style: normal; color: var(--amber-deep); }
.hero .meta {
  display: flex; align-items: center; gap: 20px;
  margin-top: 36px;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}
.hero .meta .dot { width: 4px; height: 4px; background: var(--amber); border-radius: 999px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 36px; }

.hero-aside {
  border-left: 1px solid var(--line);
  padding-left: clamp(28px, 4vw, 56px);
}
.hero-aside .stat {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.hero-aside .stat:last-child { border-bottom: 0; }
.hero-aside .stat-num {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  color: var(--ink);
  font-weight: 500;
  line-height: 1;
}
.hero-aside .stat-label {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 8px;
  letter-spacing: 0.02em;
}

/* ---------- Cards & features ---------- */

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 32px;
  border-radius: 4px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); border-color: var(--line-soft); }
.card h3 { margin-bottom: 8px; }
.card .num {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--amber-deep);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 16px;
}
.card .icon {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  color: var(--amber-deep);
  margin-bottom: 16px;
}

/* ---------- Sections variants ---------- */

.section-dark {
  background: var(--ink);
  color: var(--canvas);
}
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--canvas); }
.section-dark p { color: rgba(250,248,244,0.78); }
.section-dark .eyebrow { color: var(--amber); }
.section-dark .eyebrow::before { background: var(--amber); }
.section-dark .rule { background: rgba(255,255,255,0.12); }

.section-paper { background: var(--paper); }

/* ---------- Pull quote / promise ---------- */

.promise {
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}
.promise h2 {
  font-style: italic;
  font-weight: 400;
}

/* ---------- Service list (numbered editorial) ---------- */

.svc-list { display: grid; gap: 0; }
.svc-row {
  display: grid;
  grid-template-columns: 80px 1.1fr 2fr;
  gap: 32px;
  padding: 36px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.svc-row:last-child { border-bottom: 1px solid var(--line); }
.svc-row .svc-num {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--amber-deep);
}
.svc-row h3 { margin: 0; }
.svc-row p { margin: 0; color: var(--muted); }

@media (max-width: 720px) {
  .svc-row { grid-template-columns: 60px 1fr; }
  .svc-row p { grid-column: 1 / -1; }
}

/* ---------- Specialty depth block ---------- */

.specialty {
  background: var(--ink);
  color: var(--canvas);
  border-radius: 6px;
  padding: clamp(40px, 6vw, 72px);
  position: relative;
  overflow: hidden;
}
.specialty::after {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(176,122,50,0.18), transparent 70%);
  pointer-events: none;
}
.specialty h2, .specialty h3 { color: var(--canvas); }
.specialty p { color: rgba(250,248,244,0.78); }
.specialty .chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.chip {
  font-size: 0.8rem;
  color: var(--canvas);
  border: 1px solid rgba(255,255,255,0.22);
  padding: 6px 12px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--ink);
  color: var(--canvas);
  text-align: left;
}
.cta-band .grid-2 { align-items: center; }
.cta-band h2 { color: var(--canvas); font-style: italic; font-weight: 400; }
.cta-band p { color: rgba(250,248,244,0.78); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
.cta-band .btn-ghost { color: var(--canvas); border-color: var(--canvas); }
.cta-band .btn-ghost:hover { background: var(--canvas); color: var(--ink); }
.cta-band .btn-amber:hover { background: var(--amber-soft); color: var(--ink); }

@media (max-width: 860px) {
  .cta-actions { justify-content: flex-start; }
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h5 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 0 0 14px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--muted); transition: color .15s ease; }
.site-footer a:hover { color: var(--ink); }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 0.82rem;
}

/* ---------- Forms ---------- */

.form { display: grid; gap: 18px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .form .row { grid-template-columns: 1fr; } }
.form label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 600;
}
.form input, .form select, .form textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: 0;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(176,122,50,0.12);
}
.form textarea { min-height: 140px; resize: vertical; }
.form .help { font-size: 0.82rem; color: var(--muted); }

/* ---------- About / Team ---------- */

.bio {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: start;
  padding: 36px 0;
  border-top: 1px solid var(--line);
}
.bio:last-child { border-bottom: 1px solid var(--line); }
.bio-avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 4px;
  background: var(--line-soft) center/cover no-repeat;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--muted-2);
  font-family: var(--font-serif);
  font-size: 2.4rem;
}
.bio h3 { margin-bottom: 4px; }
.bio .role { font-size: 0.85rem; color: var(--amber-deep); letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600; margin-bottom: 14px; }

@media (max-width: 720px) { .bio { grid-template-columns: 100px 1fr; } .bio-avatar { font-size: 1.4rem; } }

/* ---------- Sub-hero on inner pages ---------- */

.page-hero { padding: clamp(72px, 9vw, 120px) 0 clamp(40px, 5vw, 64px); }
.page-hero .eyebrow { margin-bottom: 1em; }
.page-hero h1 { font-style: italic; font-weight: 400; max-width: 18ch; }
.page-hero p.lead { margin-top: 28px; }

/* ---------- Quote ---------- */

.quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.35;
  color: var(--ink);
  max-width: 32ch;
}
.quote-attr {
  margin-top: 16px;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ---------- Utility ---------- */

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.spacer-sm { height: 24px; }
.spacer-md { height: 48px; }
.text-center { text-align: center; }
.center { margin-left: auto; margin-right: auto; }